[INFO] fetching crate time_period 1.0.0...
[INFO] checking time_period-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate time_period 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate time_period 1.0.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate time_period 1.0.0
[INFO] finished tweaking crates.io crate time_period 1.0.0
[INFO] tweaked toml for crates.io crate time_period 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages
[INFO] [stderr]       Adding svg v0.13.1 (latest: v0.16.0)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded svg v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 189d04578ecb5dd3aae5c58ac53a05ff25c6d044575d2889afa8f674335a419e
[INFO] running `Command { std: "docker" "start" "-a" "189d04578ecb5dd3aae5c58ac53a05ff25c6d044575d2889afa8f674335a419e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "189d04578ecb5dd3aae5c58ac53a05ff25c6d044575d2889afa8f674335a419e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "189d04578ecb5dd3aae5c58ac53a05ff25c6d044575d2889afa8f674335a419e", kill_on_drop: false }`
[INFO] [stdout] 189d04578ecb5dd3aae5c58ac53a05ff25c6d044575d2889afa8f674335a419e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f0ae67c6a973edabdec2e8203850a89a6ae141eb1c33216ea84ab16a09f9d42
[INFO] running `Command { std: "docker" "start" "-a" "9f0ae67c6a973edabdec2e8203850a89a6ae141eb1c33216ea84ab16a09f9d42", kill_on_drop: false }`
[INFO] [stderr]     Checking svg v0.13.1
[INFO] [stderr]     Checking time_period v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IMPOSSIBLE`, `PeriodError`, `PeriodResult`
[INFO] [stdout]  --> src/period.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use result::{PeriodError, PeriodResult, IMPOSSIBLE};
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IMPOSSIBLE`, `PeriodError`, `PeriodResult`
[INFO] [stdout]  --> src/period.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use result::{PeriodError, PeriodResult, IMPOSSIBLE};
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "9f0ae67c6a973edabdec2e8203850a89a6ae141eb1c33216ea84ab16a09f9d42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0ae67c6a973edabdec2e8203850a89a6ae141eb1c33216ea84ab16a09f9d42", kill_on_drop: false }`
[INFO] [stdout] 9f0ae67c6a973edabdec2e8203850a89a6ae141eb1c33216ea84ab16a09f9d42
[INFO] checking time_period-1.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate time_period 1.0.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate time_period 1.0.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate time_period 1.0.0
[INFO] finished tweaking crates.io crate time_period 1.0.0
[INFO] tweaked toml for crates.io crate time_period 1.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a345c8e61b2abdc8f4788b0a54edee3363d1548d36d2c5dc6ccd779136e61db
[INFO] running `Command { std: "docker" "start" "-a" "4a345c8e61b2abdc8f4788b0a54edee3363d1548d36d2c5dc6ccd779136e61db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a345c8e61b2abdc8f4788b0a54edee3363d1548d36d2c5dc6ccd779136e61db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a345c8e61b2abdc8f4788b0a54edee3363d1548d36d2c5dc6ccd779136e61db", kill_on_drop: false }`
[INFO] [stdout] 4a345c8e61b2abdc8f4788b0a54edee3363d1548d36d2c5dc6ccd779136e61db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a69232620c054dbb6812014df29c0a91c4b5de794c59851dfd1c9f57e4918b9
[INFO] running `Command { std: "docker" "start" "-a" "7a69232620c054dbb6812014df29c0a91c4b5de794c59851dfd1c9f57e4918b9", kill_on_drop: false }`
[INFO] [stderr]     Checking svg v0.13.1
[INFO] [stderr]     Checking time_period v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `IMPOSSIBLE`, `PeriodError`, `PeriodResult`
[INFO] [stdout]  --> src/period.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use result::{PeriodError, PeriodResult, IMPOSSIBLE};
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IMPOSSIBLE`, `PeriodError`, `PeriodResult`
[INFO] [stdout]  --> src/period.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub use result::{PeriodError, PeriodResult, IMPOSSIBLE};
[INFO] [stdout]   |                  ^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "7a69232620c054dbb6812014df29c0a91c4b5de794c59851dfd1c9f57e4918b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a69232620c054dbb6812014df29c0a91c4b5de794c59851dfd1c9f57e4918b9", kill_on_drop: false }`
[INFO] [stdout] 7a69232620c054dbb6812014df29c0a91c4b5de794c59851dfd1c9f57e4918b9